package cn.edu.ujn.lab3.web;

import javax.servlet.http.HttpSession;

import cn.edu.ujn.lab3.dao.BaseDict;
import cn.edu.ujn.lab3.utils.Page;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import cn.edu.ujn.lab3.dao.User;
import cn.edu.ujn.lab3.service.UserService;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 用户控制器类
 */
@Controller
public class UserController {
	// 依赖注入
	@Autowired
	private UserService userService;

	@GetMapping("/login")
	public String toLogin() {
		return "login";
	}
	/**
	 * 用户登录
	 */
	@RequestMapping(value = "/login.action", method = RequestMethod.POST)
	public String login(String usercode,String password, Model model, 
                                                          HttpSession session) {
		// 通过账号和密码查询用户
		User user = userService.findUser(usercode, password);
		if(user != null){		
			// 将用户对象添加到Session
			session.setAttribute("USER_SESSION", user);
			// 跳转到主页面
            //return "customer";
			return "redirect:customer/list.action";
		}
		model.addAttribute("msg", "账号或密码错误，请重新输入！");
         // 返回到登录页面
		return "login";
	}
	
	/**
	 * 模拟其他类中跳转到客户管理页面的方法
	 */
	@RequestMapping(value = "/toCustomer.action")
	public String toCustomer() {
	    return "customer";
	}
	
	/**
	 * 退出登录
	 */
	@RequestMapping(value = "/logout.action")
	public String logout(HttpSession session) {
	    // 清除Session
	    session.invalidate();
	    // 重定向到登录页面的跳转方法
	    return "redirect:login.action";
	}

    @RequestMapping(value = "/user/list.action")
    public String list(@RequestParam(defaultValue="1")Integer page,
                       @RequestParam(defaultValue="10")Integer rows,
                       String userCode, String userName,
                       Model model) {
        Page<User> userList = userService
                .findUserList(page, rows, userCode,
                        userName);
        model.addAttribute("page", userList);
        model.addAttribute("userCode", userCode);
        model.addAttribute("userName", userName);
        return "user";
    }

    /**
     * 创建用户
     */
    @RequestMapping("/user/create.action")
    @ResponseBody
    public String dictCreate(User user,HttpSession session) {

        // 执行Service层中的创建方法，返回的是受影响的行数
        int rows = userService.createUser(user);
        if(rows > 0){
            return "OK";
        }else{
            return "FAIL";
        }
    }

    /**
     * 通过id获取用户信息
     */
    @RequestMapping("/user/getUserById.action")
    @ResponseBody
    public User getUserById(Integer id) {
        User user = userService.getUserById(id);
        return user;
    }
    /**
     * 更新用户
     */
    @RequestMapping("/user/update.action")
    @ResponseBody
    public String userUpdate(User user) {
        int rows = userService.updateUser(user);
        if(rows > 0){
            return "OK";
        }else{
            return "FAIL";
        }
    }

    /**
     * 删除用户
     */
    @RequestMapping("/user/delete.action")
    @ResponseBody
    public String userDelete(Integer id) {
        int rows = userService.deleteUser(id);
        if(rows > 0){
            return "OK";
        }else{
            return "FAIL";
        }
    }
	


}
